The £( GeH) Å 6, 7, and 8 overtones of monoisotopic H 3 70 GeD have been studied by ICLAS with effective optical path lengths between 9 and 40.8 km at a resolution of ca. 0.05 cm 01 . Rotational structure was resolved and assigned (in the local mode notation) to the (600), 11 649.77 cm 01 , (700), 1
High Resolution FTIR Study of the First GeH Stretching Overtone Band of H370GeD
✍ Scribed by Hans Bürger; Helmut Ruland; Lauri Halonen
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 274 KB
- Volume
- 182
- Category
- Article
- ISSN
- 0022-2852
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✦ Synopsis
The IR spectrum of monoisotopic H 3 70 GeD has been recorded in the region of the first GeH stretching overtone near 4200 cm 01 . Three bands have been observed and assigned in the local mode model to (200A 1 ) 4154.139 cm 01 , (200E) 4154.366 cm 01 , and (110E) 4223.07 cm 01 . The low-K sublevels of the (200A 1 /E) states are unperturbed. The analysis of the rotational structure, s(fit) Å 4.3 1 10 04 cm 01 , reveals closeness to local mode behavior although this is less pronounced than for the (300A 1 /E) levels. Perturbations by unknown dark states affect both the (110E) level and the (210E, 1) level at 6265.56 cm 01 that was also analyzed, and Coriolis effects were found to be present here. ᭧ 1997
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